<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录页面</title>
</head>
<body>
    <center>
        <form action="/loginUser">
            <table>
                <tr>
                    <td>用户名：</td>
                    <td><input name="username" type="text" style="width: 180px" placeholder="请输入用户名"></td>
                </tr>
                <tr>
                    <td>密&nbsp&nbsp&nbsp码：</td>
                    <td><input name="password" type="password" style="width: 180px" placeholder="请输入密码"></td>
                </tr>
                <tr>
                    <td colspan="2" style="text-align: center"><input type="submit" onclick='alert("已提交！")' value="登录" style="text-align: center;" ></td>
                </tr>
            </table>
        </form>
    </center>

</body>
</html>